Series Is Presented Here As Two Variables--(1)--Original Data, 1915-1922 (2)--Original Data, 1921-1943 Source: Friedrich A. Lutz, Corporate Cash Balances 1914-1943, Manufacturing And Trade (1945), Pp.117-118, Columns 33 And 22.
This NBER data series a09056b appears on the NBER website in Chapter 9 at http://www.nber.org/databases/macrohistory/contents/chapter09.html.
NBER Indicator: a09056b
Release: NBER Macrohistory Database
National Bureau of Economic Research, Changes In Other Assets, Large Manufacturing Corporations for United States [A0956BUSA144NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/A0956BUSA144NNBR/, December 1, 2015.